LENERGY is the trading name for the sale and distribution of domestic home voltage optimisation units by Insynch Energy, based in Aizlewood Mill, Nursery Street, Sheffield, South Yorkshire S3 8GG. 


All manufacturing, assembly and distribution activities are undertaken in Sheffield. Insynch Energy sell and distribute larger, three phase units for commercial, industrial, retail and public sectors as opposed to the general single phase units that are found in most homes which is LENERGY.


The Voltage Optimisers, which are provided in a range of different Models, depending on home size and demand, have a no quibble 10 year manufacturers guarantee provided and are built to the relevant BSI standards. You can be sure that the units meet every possible standard for installation in your home. 


You can find out more detail about voltage optimisation and our products on our website in the ‘Why buy a LENERGY Voltage Optimiser’ section by following the links. They have been manufactured in Sheffield for over 15 years and have been installed in many locations across the United Kingdom. We do not generally provide installation but if this is something that you require we can arrange that for you on request. In those cases, we provide a quotation to the customer, if accepted, we instruct the selected electricians to proceed.